+2001-11-29 Paul Eggert <eggert@twinsun.com>
+
+ Name space cleanup in generated parser.
+
+ * doc/bison.texinfo (Bison Parser): Discuss system headers
+ and their effect on the user name space.
+
+ * src/bison.simple:
+ (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
+ YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
+ i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
+
+ (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
+ on user names when possible.
+
+ (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
+ Simplify test for whather <alloca.h> exists.
+
+ (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
+
+ (<stdio.h>): Include if YYDEBUG.
+
+ (yymemcpy): Renamed from __yy_memcpy. Do not define unless
+ ! defined (yyoverflow) && ! defined (yymemcpy).
+
+ (yymemcpy, yyparse): Rename local variables as needed so that
+ they all begin with 'yy'.
+
+ (yystrlen, yystpcpy): New functions.
+
+ (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
+ All uses changed.
+
+ (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
+ instead of relying on string.h functions. Use YYSTACK_ALLOC
+ and YYSTACK_FREE instead of malloc and free.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
+ before their first uses.
+ (YYBISON, YYPURE): Move to the top of the output.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * tests/reduce.at (Useless Nonterminals): Fix.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
+ if body instead of `;' to pacify GCC's warnings.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ Instead of mapping the LHS of unused rules to -1, keep the LHS
+ valid, but flag the rules as invalid.
+
+ * src/gram.h (rule_t): `useful' is a new member.
+ * src/print.c (print_grammar): Adjust.
+ * src/derives.c (set_derives): Likewise.
+ * src/reader.c (packgram, reduce_output): Likewise.
+ * src/reduce.c (reduce_grammar_tables): Likewise.
+ * tests/reduce.at (Underivable Rules, Useless Rules): New.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (reduce_output): Formatting changes.
+ * src/print.c (print_results, print_grammar): Likewise.
+ * tests/regression.at (Rule Line Numbers)
+ (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (nonterminals_reduce): Instead of throwing away
+ useless nonterminals, move them at the end of the symbol arrays.
+ (reduce_output): Adjust.
+ * tests/reduce.at (Useless Nonterminals): Adjust.
+
+2001-11-30 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c: Various comment/formatting changes.
+ (nonterminals_reduce): New, extracted from...
+ (reduce_grammar_tables): here.
+ (reduce_grammar): Call nonterminals_reduce.
+
+2001-11-29 Paul Eggert <eggert@twinsun.com>
+
+ * src/bison.simple (YYSTACK_REALLOC): Remove.
+ (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
+ (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
+ New macros.
+ (union yyalloc): New type.
+ (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
+ an arbitrary restriction on hosts where size_t is wider than int.
+
+ (yyparse): Don't dump core if alloca or malloc fails; instead, report
+ a parser stack overflow. Allocate just one block of memory for all
+ three stacks, instead of allocating three blocks; this typically is
+ faster and reduces fragmentation.
+
+ Do not limit the number of items in the stack to a value that fits
+ in 'int', as this is an arbitrary limit on hosts with 64-bit
+ size_t and 32-bit int.
+
+2001-11-29 Marc Autret <autret_m@epita.fr>
+
+ * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
+ of defining YYERROR_VERBOSE.
+ [AT_DATA]: $4 is now out of C declarations in the prologue.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/reader.c (parse_dquoted_param): New.
+ (parse_skel_decl): Use it.
+ * src/lex.h: Add its prototype.
+ * src/lex.c (literalchar): Become not static.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/output.h: And put its extern declaration here.
+ * src/output.c (error_verbose): Define here.
+ (prepare): Echo name modification.
+ * src/getargs.h: Clean its extern declaration.
+ * src/getargs.c (error_verbose_flag): Remove.
+ (getargs): Remove case 'e'.
+ * src/options.c (option_table): 'error-verbose' is now seen as simple
+ percent option.
+ Include output.h.
+
+ * src/reader.c (read_declarations): Remove case tok_include.
+ (parse_include_decl): Remove.
+ * src/lex.h (token_t): Remove tok_include.
+ * src/options.c (option_table): 'include' is now a simple command line
+ option.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple: Adjust muscle names.
+ * src/muscle_tab.c (muscle_init): Also rename the muscles.
+ * src/output.c (prepare): s/_/-/ for the muscles names.
+ (output_parser): When scanning for a muscle, allow '-' instead of '_'.
+
+2001-11-28 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple: Fix debug.
+ [YYERROR_VERBOSE]: Re-integrate as an internal macro.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (shifts_new): New.
+ (save_shifts, insert_start_shift, augment_automaton): Use it.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): `b' and `ruleno' denote the same value:
+ keep ruleno only.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): Instead of looping over word in array
+ then bits in words, loop over bits in array.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): No longer optimize the special case
+ where all the bits of `ruleset[r]' are set to 0, to make the code
+ clearer.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): `r' and `c' are new variables, used to
+ de-obfuscate accesses to RULESET and CORE.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (reduce_print): Use ngettext.
+ (dump_grammar): Improve the trace accuracy.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (dump_grammar): Don't translate trace messages.
+
+2001-11-28 Akim Demaille <akim@epita.fr>
+
+ * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
+ * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
+ as all tags are free'ed afterwards.
+ From Enrico Scholz.
+
+2001-11-27 Paul Eggert <eggert@twinsun.com>
+
+ * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
+ use alloca when we didn't want to, and vice versa.
+
+2001-11-27 Marc Autret <autret_m@epita.fr>
+
+ * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
+ initialization.
+ * src/output.c (prepare): Remove its update.
+
+2001-11-27 Marc Autret <autret_m@epita.fr>
+
+ * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
+ Use %error-verbose.
+
+2001-11-27 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple: Remove YYERROR_VERBOSE using.
+ Use %%error_verbose.
+ (yyparse): Likewise.
+ * src/output.c (prepare): Give its final value.
+ * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
+ * src/getargs.h: Add its extern declaration.
+ * src/getargs.c (error_verbose_flag): New int.
+ (getargs): Update to catch new case.
+ * src/options.c (option_table): 'error-verbose' is a new option.
+ (shortopts): Update.
+
+2001-11-27 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: Use intl/libgettext.h.
+ * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
+
+2001-11-27 Akim Demaille <akim@epita.fr>
+
+ * tests/torture.at (Exploding the Stack Size with Malloc):
+ s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
+
+2001-11-27 Akim Demaille <akim@epita.fr>
+
+ * src/files.c: Include error.h.
+ Reported by Hans Aberg.
+
+2001-11-26 Marc Autret <autret_m@epita.fr>
+
+ * src/reader.c (parse_include_decl): New, not yet implemented.
+ (read_declarations): Add case tok_include.
+ * src/getargs.h (include): Add its extern definition.
+ * src/getargs.c (include): New const char *.
+ (getargs): Add case '-I'.
+ * src/options.c (option_table): Add include as command line and
+ percent option.
+ * src/lex.h (token_t): Add tok_include.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (readgram): Make sure rules for mid-rule actions
+ have a lineno equal to that of their host rule.
+ Reported by Hans Aberg.
+ * tests/regression.at (Rule Line Numbers): New.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
+ size_ts.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/complain.c, src/complain.h (error): Remove, provided by
+ lib/error.[ch].
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (read_declarations): Don't abort on tok_illegal,
+ issue an error message.
+ * tests/regression.at (Invalid %directive): New.
+ Reported by Hans Aberg.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
+ * lib/Makefile.am (libbison_a_SOURCES): Adjust.
+
+2001-11-26 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (conflicts_print): Don't complain at all when
+ there are no reduce/reduce conflicts, and as many shift/reduce
+ conflicts as expected.
+ * tests/regression.at (%expect right): Adjust.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * lib/alloca.c: Update, from fileutils.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: Include alloca.h.
+ * src/main.c (main) [C_ALLOCA]: Call alloca (0).
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ * src/print_graph.c (print_actions): Remove `rule', unused.
+ * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
+ pacify GCC's signed < unsigned warnings.
+ * src/closure.c (itemsetsize): Likewise.
+ * src/reader.c (symbol_list_new): Static.
+
+2001-11-23 Akim Demaille <akim@epita.fr>
+
+ Attaching lineno to buckets is stupid, since only one copy of each
+ symbol is kept, only the line of the first occurrence is kept too.
+
+ * src/symtab.h, src/symtab.c (bucket): Remove the line member.
+ * src/reader.c (rline_allocated): Remove, unused.
+ (symbol_list): Have a `line' member.
+ (symbol_list_new): New.
+ (readgram): Use it.
+ * src/print.c (print_grammar): Output the rule line numbers.
+ * tests/regression.at (Solved SR Conflicts)
+ (Unresolved SR Conflicts): Adjust.
+ Reported by Hans Aberg.
+
+2001-11-22 Marc Autret <autret_m@epita.fr>
+
+ * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
+
+2001-11-22 Marc Autret <autret_m@epita.fr>
+
+ * src/muscle_tab.c (muscle_init): Remove initialization of
+ skeleton muscle.
+ * src/output.c (output_master_parser): Do it here.
+
+2001-11-20 Akim Demaille <akim@epita.fr>
+
+ * po/sv.po: New.
+ * configure.in (ALL_LINGUAS): Adjust.
+ * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
+ longer contains strings to translate.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (conflicts_print): Add a missing \n.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/nullable.c (nullable_print): New.
+ (set_nullable): Call it when tracing.
+ Better locality of variables.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/print.c (print_actions): Better locality of variables.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/derives.c (print_derives): Fix and enrich.
+ * src/closure.c (print_fderives): Likewise.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (itemsetend): Remove, replaced with...
+ (itemsetsize): new.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (kernel_end): Remove, replaced with...
+ (kernel_size): new.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/conflicts.c (set_conflicts): Use arrays instead of pointers
+ to clarify.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (closure): Use arrays instead of pointers to clarify.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c, src/derives.c, src/nullable.c: Adjust various
+ trace messages.
+ * src/LR0.c: Likewise.
+ (allocate_itemsets): Use arrays instead of pointers to clarify.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/getargs.c (statistics_flag): Replace with...
+ (trace_flag): New.
+ (longopts): Accept --trace instead of --statistics.
+ * src/getargs.h, src/options.c: Adjust.
+ * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
+ * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
+ pointers to clarify the code.
+ (save_reductions, save_shifts): Factor common parts of alternatives.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_state, get_state): Complete TRACE code.
+ * src/closure.c: Include `reader.h' to get `tags', needed by the
+ trace code.
+ Rename the conditional DEBUG as TRACE.
+ Output consistently TRACEs to stderr, not stdout.
+ * src/derives.c: Likewise.
+ * src/reduce.c: (inaccessable_symbols): Using if is better style
+ than goto.
+ Use `#if TRACE' instead of `#if 0' for tracing code.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/system.h (LIST_FREE, shortcpy): New.
+ * src/LR0.c: Use them.
+ * src/output.c (free_itemsets, free_reductions, free_shifts):
+ Remove, replaced by LIST_FREE.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
+ (REDUCTIONS_ALLOC): New.
+ * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
+ allocation.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_state): Complete trace code.
+ * src/nullable.c (set_nullable): Don't translate traces.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/print_graph.c (print_core): Better locality of variables.
+ * src/print.c (print_core): Likewise.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/vcg.c: You do the output, so you are responsible of the
+ handling of VCG syntax, in particular: use quotearg.
+ * src/print_graph.c: Don't.
+ (print_actions): Don't output the actions as part of the nodes,
+ since that's the job of the edges.
+ (print_state): Don't output by hand: fill the node description,
+ and ask for its output.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/bison.simple (yyparse): When verbosely reporting an error,
+ no longer put additional quotes around token names.
+ * tests/calc.at: Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
+ * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
+ * src/output.c: Adjust.
+
+2001-11-19 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
+ (rule_t): this.
+ * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
+
2001-11-19 Akim Demaille <akim@epita.fr>
* src/gram.h (rule_t): New.
* src/lalr.c, src/nullable.c, src/output.c, src/print.c,
* src/reader.c, src/reduce.c: Adjust.
-
2001-11-19 Akim Demaille <akim@epita.fr>
* src/reader.c (symbols_output): New, extracted from...
2001-11-19 Akim Demaille <akim@epita.fr>
- * src/lalr.c (F): New macro to access to the variable F.
+ * src/lalr.c (F): New macro to access the variable F.
Adjust.
2001-11-19 Akim Demaille <akim@epita.fr>
- * src/lalr.h (LA): New macro to access to the variable LA.
+ * src/lalr.h (LA): New macro to access the variable LA.
* src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
* src/lalr.c: Adjust.
* src/lalr.c (initialize_LA): Only initialize LA. Let...
(set_state_table): handle the `lookaheads' members.
-
2001-11-19 Akim Demaille <akim@epita.fr>
- * src/lalr.h (lookaheads): Removed array, which contents is now
- member of...
+ * src/lalr.h (lookaheads): Removed array, whose contents is now
+ a member of...
(state_t): this structure.
* src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
Adjust.
2001-11-19 Akim Demaille <akim@epita.fr>
- * src/lalr.h (consistent): Removed array, which contents is now
- member of...
+ * src/lalr.h (consistent): Removed array, whose contents is now
+ a member of...
(state_t): this structure.
* src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
Adjust.
2001-11-19 Akim Demaille <akim@epita.fr>
- * src/lalr.h (reduction_table, shift_table): Removed arrays, which
- contents is now members of...
+ * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
+ contents are now members of...
(state_t): this structure.
* src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
Adjust.
-
2001-11-19 Akim Demaille <akim@epita.fr>
* src/lalr.h (state_t): New.